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Here you will find articles, drawings, and other information about vintage electronics.

 

*  VT tube designation equivalents.   VT Number Reference Chart

* This will be a page on the Drake 2B.  Drake         

* Hints for Restoration

* Did you know?

* One tube circuit design This was published in the forties.

*  If you need/want a one tube design with a simple power supply then click on this link.  This design     uses only one supply voltage, 12 volts!!                         One tube 001 

* Here is a 72 k scan of Mallory's ideas from the 1930's on checking capacitors.  Cap Check

*  It appears that every issue of Glass Audio or  the new Audio Xpress have an article that   recommends using capacitors from old electronic flash units in the power supply.  Before you do this ead this old article from Solar Capacitors in 1947.    Caps

*  Panel lights information.  Lites

 

 

 

 

 

 

Did You Know
  • The 6/12 SK7 tube can be replaced with a 6/12 SG7 in most radios.  The SG7 has twice the transconductance and should improve the gain of the radio.
  • A 6SA7 mixer can also be replaced with a 6SB7.  The 6SB& has twice the gain and should give a noticeable improvement.